.interview-course{--course-ink: var(--foreground);--course-subtle: color-mix(in srgb, var(--foreground) 64%, transparent);--course-faint: color-mix(in srgb, var(--foreground) 7%, transparent);--course-line: color-mix(in srgb, var(--foreground) 13%, transparent);--course-panel: color-mix(in srgb, var(--background) 91%, var(--muted));--course-accent: var(--accent);--course-accent-deep: color-mix(in srgb, var(--accent) 65%, var(--foreground) 35%);--course-accent-soft: color-mix(in srgb, var(--accent) 14%, var(--background));--course-highlight: #f2b84b;background:radial-gradient(circle at 78% 2%,color-mix(in srgb,var(--accent) 8%,transparent),transparent 22rem),var(--background);color:var(--course-ink);min-height:100svh}[data-theme=dark] .interview-course{--course-highlight: #e8b85c}.course-skip-link{position:fixed;inset:0 auto auto 1rem;z-index:100;transform:translateY(-130%);border-radius:0 0 .6rem .6rem;background:var(--course-accent, var(--accent));color:var(--accent-foreground);padding:.75rem 1rem;font-size:.8rem;font-weight:700}.course-skip-link:focus{transform:translateY(0)}.course-topbar{position:sticky;top:0;z-index:40;display:grid;grid-template-columns:1fr auto 1fr;min-height:4.5rem;align-items:center;border-bottom:1px solid var(--course-line);background:color-mix(in srgb,var(--background) 88%,transparent);padding:0 1.5rem;backdrop-filter:blur(18px)}.course-brand{display:inline-flex;width:fit-content;align-items:center;gap:.75rem;color:inherit;text-decoration:none}.course-brand-mark{display:grid;width:2.25rem;height:2.25rem;place-items:center;border:1px solid color-mix(in srgb,var(--course-accent) 32%,transparent);border-radius:.65rem;background:var(--course-accent-soft);color:var(--course-accent-deep);font-size:.69rem;font-weight:800;letter-spacing:-.03em}.course-brand-copy{display:grid;line-height:1.15}.course-brand-copy strong{font-size:.83rem;letter-spacing:-.02em}.course-brand-copy small{margin-top:.2rem;color:var(--course-subtle);font-size:.68rem}.course-topbar-title{display:flex;align-items:center;gap:.55rem;color:var(--course-subtle);font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.course-status-dot{width:.45rem;height:.45rem;border-radius:50%;background:var(--course-highlight);box-shadow:0 0 0 .22rem color-mix(in srgb,var(--course-highlight) 18%,transparent)}.course-topbar-actions{display:flex;justify-content:flex-end;align-items:center;gap:.75rem}.course-exit-link{color:var(--course-subtle);font-size:.75rem;font-weight:650;text-decoration:none}.course-exit-link:hover{color:var(--course-ink)}.course-theme-button{position:relative;width:2.25rem;height:2.25rem;border:1px solid var(--course-line);border-radius:.6rem;background:var(--course-faint);color:var(--course-ink)}.course-theme-button svg{position:absolute;inset:50% auto auto 50%;width:1rem;height:1rem;transform:translate(-50%,-50%);transition:opacity .16s ease,transform .16s ease}.course-theme-sun,[data-theme=dark] .course-theme-moon{opacity:0;transform:translate(-50%,-50%) rotate(35deg) scale(.7)!important}[data-theme=dark] .course-theme-sun{opacity:1;transform:translate(-50%,-50%) rotate(0) scale(1)!important}.course-mobile-nav{display:none}.course-workspace{display:grid;grid-template-columns:minmax(17rem,20rem) minmax(0,1fr) minmax(13rem,16rem);min-height:calc(100svh - 4.5rem)}.course-sidebar{position:sticky;top:4.5rem;align-self:start;display:flex;flex-direction:column;height:calc(100svh - 4.5rem);overflow-y:auto;border-right:1px solid var(--course-line);background:var(--course-panel);scrollbar-width:thin}.course-sidebar-intro{padding:1.9rem 1.5rem 1.45rem}.course-kicker{color:var(--course-accent-deep);font-size:.63rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.course-sidebar-intro h2{margin:.55rem 0 .3rem;font-size:1.08rem;font-weight:760;letter-spacing:-.04em}.course-sidebar-intro p{margin:0;color:var(--course-subtle);font-size:.68rem;line-height:1.5}.course-sidebar-progress{margin:0 1.5rem 1.2rem;padding:.9rem 1rem;border:1px solid var(--course-line);border-radius:.75rem;background:color-mix(in srgb,var(--background) 72%,transparent)}.course-sidebar-progress>div:first-child,.course-mobile-progress{display:flex;justify-content:space-between;gap:1rem;font-size:.67rem}.course-sidebar-progress span,.course-mobile-progress span{color:var(--course-subtle)}.course-sidebar-progress strong,.course-mobile-progress strong{font-weight:750}.course-progress-track{height:.28rem;overflow:hidden;border-radius:99rem;background:var(--course-line)}.course-sidebar-progress .course-progress-track{margin-top:.7rem}.course-progress-track span{display:block;height:100%;border-radius:inherit;background:var(--course-accent);transition:width .3s ease}.course-curriculum{padding:0 .75rem 1rem}.course-curriculum ol{display:grid;gap:.18rem;margin:0;padding:0;list-style:none}.course-curriculum a{display:grid;grid-template-columns:1.7rem minmax(0,1fr) auto;align-items:center;gap:.75rem;min-height:3.55rem;border:1px solid transparent;border-radius:.75rem;padding:.55rem .7rem;color:inherit;text-decoration:none;transition:background-color .16s ease,border-color .16s ease,transform .16s ease}.course-curriculum a:hover{background:var(--course-faint);transform:translate(2px)}.course-curriculum a.is-active{border-color:color-mix(in srgb,var(--course-accent) 22%,transparent);background:color-mix(in srgb,var(--course-accent-soft) 72%,var(--background))}.course-module-state{display:grid;width:1.6rem;height:1.6rem;place-items:center;border:1px solid var(--course-line);border-radius:50%;color:var(--course-subtle);font-size:.57rem;font-weight:750}.course-module-check{display:none;width:.95rem;height:.95rem;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.course-curriculum a.is-complete .course-module-state{border-color:var(--course-accent);background:var(--course-accent);color:var(--accent-foreground)}.course-curriculum a.is-complete .course-module-number{display:none}.course-curriculum a.is-complete .course-module-check{display:block}.course-curriculum a.is-active .course-module-state{border-color:var(--course-accent);box-shadow:0 0 0 .2rem color-mix(in srgb,var(--course-accent) 12%,transparent)}.course-module-copy{display:grid;min-width:0;line-height:1.2}.course-module-copy strong{overflow:hidden;font-size:.74rem;font-weight:720;text-overflow:ellipsis;white-space:nowrap}.course-module-copy small{overflow:hidden;margin-top:.25rem;color:var(--course-subtle);font-size:.62rem;text-overflow:ellipsis;white-space:nowrap}.course-curriculum time{color:var(--course-subtle);font-size:.56rem}.course-sidebar-foot{display:grid;gap:.2rem;margin-top:auto;border-top:1px solid var(--course-line);padding:1.2rem 1.5rem;color:var(--course-subtle);font-size:.62rem}.course-sidebar-foot small{font-size:.58rem;opacity:.8}.course-lesson{min-width:0;background:linear-gradient(90deg,color-mix(in srgb,var(--foreground) 2.6%,transparent) 1px,transparent 1px) 0 0 / 4rem 4rem,var(--background)}.course-lesson-inner{width:min(100%,62rem);margin:0 auto;padding:clamp(3rem,7vw,6.5rem) clamp(1.5rem,6vw,6rem) 5rem}.course-lesson-header{max-width:52rem;border-bottom:1px solid var(--course-line);padding-bottom:clamp(2rem,5vw,3.5rem)}.course-lesson-position{display:flex;gap:.65rem;color:var(--course-accent-deep);font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.course-lesson-header h1{max-width:49rem;margin:1rem 0 1.15rem;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:clamp(2.45rem,5vw,4.7rem);font-weight:760;letter-spacing:-.065em;line-height:.98;text-wrap:balance}.course-lesson-header>p{max-width:45rem;margin:0;color:var(--course-subtle);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:clamp(1.02rem,1.7vw,1.22rem);line-height:1.65}.course-lesson-meta{display:flex;flex-wrap:wrap;gap:.65rem 1.3rem;margin-top:1.5rem;color:var(--course-subtle);font-size:.66rem}.course-lesson-meta span{position:relative}.course-lesson-meta span+span:before{position:absolute;left:-.75rem;color:var(--course-line);content:"•"}.course-lesson-body{max-width:52rem;padding:clamp(2.5rem,5vw,4.5rem) 0;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1rem;line-height:1.75}.course-lesson-body>:first-child{margin-top:0}.course-lesson-body h2{margin:3.25rem 0 1rem;scroll-margin-top:5.5rem;color:var(--course-ink);font-size:clamp(1.55rem,2.6vw,2.15rem);font-weight:740;letter-spacing:-.045em;line-height:1.15}.course-lesson-body h3{margin:2.2rem 0 .7rem;scroll-margin-top:5.5rem;font-size:1.16rem;font-weight:720;letter-spacing:-.025em}.course-lesson-body p,.course-lesson-body li{color:color-mix(in srgb,var(--foreground) 82%,transparent)}.course-lesson-body ul,.course-lesson-body ol{padding-left:1.4rem;margin:1rem 0}.course-lesson-body ul{list-style:disc outside}.course-lesson-body ol{list-style:decimal outside}.course-lesson-body li{padding-left:.3rem}.course-lesson-body li::marker{color:var(--course-accent-deep)}.course-lesson-body li+li{margin-top:.58rem}.course-lesson-body :where(.lesson-callout,blockquote){margin:2rem 0;border:1px solid color-mix(in srgb,var(--course-accent) 20%,transparent);border-left:.25rem solid var(--course-accent);border-radius:0 .85rem .85rem 0;background:color-mix(in srgb,var(--course-accent-soft) 60%,var(--background));padding:1.25rem 1.35rem}.course-lesson-body :where(.lesson-callout,blockquote)>:first-child{margin-top:0}.course-lesson-body :where(.lesson-callout,blockquote)>:last-child{margin-bottom:0}.course-lesson-body .lesson-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:1.6rem 0}.course-lesson-body .lesson-card{border:1px solid 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1.25rem;scrollbar-width:thin}.course-context-label{color:var(--course-subtle);font-size:.6rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.course-context-section ol{display:grid;gap:.72rem;margin:.9rem 0 0;padding:0 0 0 .8rem;border-left:1px solid var(--course-line);list-style:none}.course-context-section li.is-subsection{padding-left:.65rem}.course-context-section a{display:block;color:var(--course-subtle);font-size:.65rem;line-height:1.45;text-decoration:none}.course-context-section a:hover{color:var(--course-accent-deep)}.course-context-card{border:1px solid color-mix(in srgb,var(--course-accent) 20%,transparent);border-radius:.8rem;background:color-mix(in srgb,var(--course-accent-soft) 55%,var(--background));padding:1rem}.course-context-card strong{display:block;margin-top:.65rem;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.82rem}.course-context-card p,.course-context-note p{margin:.4rem 0 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svg{width:.85rem;height:.85rem;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.course-pagination{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:3rem}.course-page-link{display:grid;min-height:5.4rem;align-content:center;border:1px solid var(--course-line);border-radius:.9rem;padding:1rem 1.1rem;color:inherit;text-decoration:none;transition:border-color .16s ease,background-color .16s ease,transform .16s ease}a.course-page-link:hover{border-color:color-mix(in srgb,var(--course-accent) 45%,transparent);background:var(--course-faint);transform:translateY(-2px)}.course-page-link span{color:var(--course-subtle);font-size:.62rem;text-transform:uppercase;letter-spacing:.08em}.course-page-link strong{margin-top:.4rem;font-size:.73rem}.course-page-link.is-next{text-align:right}.course-page-link.is-disabled{opacity:.38}@media(max-width:1180px){.course-workspace{grid-template-columns:minmax(17rem,19rem) minmax(0,1fr)}.course-context{display:none}}@media(max-width:900px){.course-topbar{grid-template-columns:1fr auto;min-height:4.1rem;padding:0 1rem}.course-topbar-title,.course-exit-link{display:none}.course-mobile-nav{position:sticky;top:4.1rem;z-index:30;display:grid;gap:.65rem;border-bottom:1px solid var(--course-line);background:color-mix(in srgb,var(--background) 94%,transparent);padding:.85rem 1rem;backdrop-filter:blur(16px)}.course-mobile-nav .course-progress-track{height:.22rem}.course-mobile-nav label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.course-mobile-nav select{width:100%;border:1px solid var(--course-line);border-radius:.62rem;background:var(--background);color:var(--course-ink);padding:.72rem 2.5rem .72rem .8rem;font-family:inherit;font-size:.72rem}.course-mobile-toc summary{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--course-line);border-radius:.62rem;padding:.72rem .8rem;color:var(--course-ink);font-size:.72rem;font-weight:700;list-style:none;cursor:pointer}.course-mobile-toc summary::-webkit-details-marker{display:none}.course-mobile-toc summary:after{content:"▾";color:var(--course-subtle);transition:transform .16s ease}.course-mobile-toc[open] summary:after{transform:rotate(180deg)}.course-mobile-toc ol{display:grid;gap:.6rem;margin:.6rem 0 0;padding:.2rem 0 .2rem .9rem;max-height:min(50vh,20rem);overflow-y:auto;border-left:1px solid var(--course-line);list-style:none}.course-mobile-toc li.is-subsection{padding-left:.65rem}.course-mobile-toc a{display:block;color:var(--course-subtle);font-size:.72rem;line-height:1.45;text-decoration:none}.course-mobile-toc a:active{color:var(--course-accent-deep)}.course-workspace{display:block;min-height:auto}.course-sidebar{display:none}.course-lesson-inner{padding-top:3.5rem}.course-lesson-body h2,.course-lesson-body h3{scroll-margin-top:15rem}}@media(max-width:580px){.course-brand-copy strong{font-size:.76rem}.course-brand-copy small{display:none}.course-lesson-inner{padding:2.75rem 1.1rem 3rem}.course-lesson-header h1{font-size:clamp(2.15rem,13vw,3rem)}.course-lesson-body{padding:2.25rem 0}.course-lesson-body .lesson-grid,.course-pagination{grid-template-columns:1fr}.course-page-link.is-next{text-align:left}}@media(prefers-reduced-motion:reduce){.interview-course *,.interview-course *:before,.interview-course *:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}